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Radiology News

Cavernosal Hematoma-MRI

Adult Male with history of coitus injury of 10 days duration ,with Ultrasound suggesting cavernosal bleed , shows on MRI, symmetrical , relatively well defined , focal hematoma(bright on T2 and Blooming on Gradient ) with no break in tunica with cavernosal arteries flow voids as well as urethra apparently normal ,consistent with caverosal haematoma. Trauma can occur in vigorous coitus. Penile fractures can be identified by breaks in tunica albuginea with surrounding hematoma.

Teaching points by Dr MGK Murthy, Dr Sumer Sethi

Relevant Anatomy : Three basic cylinders (two paired dorsal corpora cavernosa (CC)(connected to each other via fenestrations across the septum) and one ventral corpora spongiosum (CS)of intermediate signal on T1 and Bright on T2. CS arises from bulbous spongiosum in the perineum and extends anteriorly to form glans penis. Posterior attachment of CC to ischioubic rami called crura CC and CS surrounded by low signal tunica albuginea. Second fibrous layer Bucks fascia surrounds CC only to separate from CS External to Bucks is Connective tissue with T2 Bright. Superficial to connective tissue is low signal Tunica dartos which is covered by T2 Bright epidermis of Skin. Anterior urethra seen with in CS with muscular layer seen as T1 low

About Dr. Sumer Sethi

Number of Entries : 35

Unique blend of academic excellence and entrepreneurship, heading leading firms in India- Teleradiology Providers, pioneering company providing teleradiology services and DAMS (Delhi Academy of Medical Sciences) Premier test preparation institute in India for MD/MS/MCI preparation. He has also been an invited faculty member at various conferences, including Teleradiology in IRIA 2008 and 2011, Hospital Build Middle East, Congress of the Brain Tumor Radiology in Neuro-oncology Society. Dr. Sethi is Editor-in-Chief of Internet Journal of Radiology. He has a keen interest in Web 2.0 technologies and in maintaining his famous radiology blog, which has been featured in multiple international journals.